WO2011137706A2

WO2011137706A2 - Device and method for human-computer interaction and feedback

Info

Publication number: WO2011137706A2
Application number: PCT/CN2011/072691
Authority: WO
Inventors: 许剑峰; 杨金喜
Original assignee: 华为终端有限公司
Priority date: 2011-04-12
Filing date: 2011-04-12
Publication date: 2011-11-10
Also published as: CN102203693A; WO2011137706A3; CN102203693B

Abstract

A device and method for human-computer interaction and feedback are provided, belonging to the field of electronic circuits. The device includes: a detection module (4) and an electric feeling module (2). The detection module (4) is used to detect whether an event is triggered or not, when detecting that the event is triggered, it will notify the electric feeling module (2). The electric feeling module (2) is used to generate an electrical stimulation on the human body parts which have triggered the event when the detection module (4) detects that the event is triggered. The method includes: detecting whether an event is triggered or not (601); and when detecting that the event is triggered, generating an electrical stimulation on the human body parts that have triggered the event (602). By generating an electrical stimulation on the human body parts which have triggered the event when detecting the event is triggered, it can make the user perceive the feedback in a noisy environment, it will not cause noise interference, and improve the privacy, and has a smaller volume and less power consumption.

Description

Human-computer interaction feedback device and method

The present invention relates to the field of electronic circuits, and in particular, to a human-machine interaction feedback device and method. Background technique

When a user interacts with an electronic device through a trigger point or the like, the electronic device usually designs a trigger point feedback behavior to notify the user that the trigger point has been received.

At present, the human-computer interaction feedback methods mainly include vibration feedback mode and sound feedback mode.

The vibration feedback mode is to send a control signal to the motor when the main chip detects that the event is triggered, and the control signal can drive the motor to vibrate, thereby achieving the effect of vibration feedback.

The sound feedback mode is to send a control signal to the speaker when the main chip detects that the event is triggered, and the control signal may be an electric signal corresponding to a sound such as a song or a music, so that the speaker emits a sound such as a song or a music, thereby achieving the effect of the sound feedback. .

In the process of implementing the present invention, the inventors have found that the prior art has at least the following problems:

The vibration feedback method requires a motor, which is bulky and consumes a large amount of power. At the same time, the electronic device emits sound when it vibrates, and the confidentiality is poor. The sound feedback method forms noise interference to the environment, and the confidentiality is poor. At the same time, it is difficult for the user to hear the electronic device in a noisy environment. The sound of feedback. Summary of the invention

In order to reduce the volume, the power consumption, and the noise to the environment during the human-machine feedback, and to improve the confidentiality, only the user who uses the device perceives the feedback, the embodiment of the present invention provides a human-machine interaction feedback device and method. The technical solution is as follows:

A human-machine interaction feedback device, the device comprising: a detection module and an inductance touch module,

The detecting module is configured to detect whether an event is triggered, and notify the inductive touch block when detecting that an event is triggered;

The inductive touch module is configured to form an electrical stimulus to a human body part that triggers an event when the detecting module detects that an event is triggered.

A human-computer interaction feedback method, the method comprising: Detect if an event is triggered;

When an event is detected to be triggered, an electrical stimulus is formed on the body part that triggered the event.

The beneficial effects brought by the technical solutions provided by the embodiments of the present invention are:

By detecting that an event is triggered, electrical stimulation is generated on the human body part that triggers the event, and even in a noisy environment, the user who uses the device can perceive feedback without causing noise interference, improving confidentiality, and at the same time, volume and power consumption. The amount is small. DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention, Those skilled in the art can also obtain other drawings based on these drawings without paying creative labor.

FIG. 1 is a schematic structural diagram of a human-machine interaction feedback apparatus according to Embodiment 1 of the present invention;

Figure 1-b is a schematic structural diagram of a human-machine interaction feedback apparatus according to Embodiment 2 of the present invention;

2 is a schematic structural diagram of a human-machine interaction feedback apparatus according to Embodiment 3 of the present invention;

3 is a schematic structural diagram of a human-machine interaction feedback apparatus according to Embodiment 4 of the present invention;

4 is a schematic structural diagram of a human-machine interaction feedback apparatus according to Embodiment 5 of the present invention;

FIG. 5 is a schematic diagram showing a curve of resistance impedance and pulse wave voltage amplitude change after adding the smart feedback module 3 according to Embodiment 5 of the present invention; FIG.

FIG. 6 is a flowchart of a human-machine interaction feedback method according to Embodiment 6 of the present invention. detailed description

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Example 1

Referring to FIG. 1 - a, the embodiment provides a human-machine interaction feedback device, including: a detection module 4 and an inductive touch module.

2,

The detecting module 4 is configured to detect whether the event is triggered, and notify the inductive touch module 2 when the detected event is triggered; the inductive touch module 2 is configured to form an electrical stimulus to the human body part of the triggering event when the detecting module 4 detects that the event is triggered. .

The "event is triggered" may be that the button is pressed, etc., "the body part of the trigger event" may be a finger or the like. The inductive touch module 2 may include a mechanical device for detecting an impact force when an event is triggered and a piezoelectric ceramic for converting an impact force into a transient voltage. When an event is detected to be triggered, the mechanical device is The piezoelectric ceramic contacts the collision, otherwise, when no event is triggered, the mechanical device and the piezoelectric ceramic do not touch each other. For example, the mechanical device can be a spring that can store potential energy under the operation of a small motor. When an event is detected, the spring releases potential energy to impact the piezoelectric ceramic, and the piezoelectric ceramic converts the impact force into a transient voltage. The human body parts of the event form electrical stimulation.

In this embodiment, when it is detected that the event is triggered, electrical stimulation is generated on the human body part of the triggering event, and even in a noisy environment, the user who uses the device can perceive the feedback without causing noise interference, improving the confidentiality, and simultaneously increasing the volume. And consume less power. Example 2

The embodiment provides a human-machine interaction feedback device, which is improved on the basis of Embodiment 1. Referring to FIG. 1b, the detection module 4, the pulse generation module 1 and the inductance touch module 2, the detection module 4 and the pulse are provided. The generating module 1 is connected, and the pulse generating module 1 is connected to the inductive touch module 2;

The detecting module 4 is configured to detect whether an event is triggered, notify the inductive touch module 2 when detecting that the event is triggered, and send a pulse control signal to the pulse generating module 1;

The pulse generating module 1 is configured to receive the pulse control signal sent by the detecting module 4, generate a pulse wave corresponding to the voltage amplitude and the corresponding frequency according to the pulse control signal, and send the pulse wave to the inductive touch module 2;

The inductive touch module 2 is further configured to conduct a path when the detecting module 4 detects that the event is triggered, and receive the pulse wave sent by the pulse generating module 1, and form an electrical stimulus according to the pulse wave to the human body part of the triggering event.

In this embodiment, by generating a pulse wave when the detected event is triggered, and generating an electrical stimulation to the human body part of the triggering event, even in a noisy environment, the user who uses the device can perceive the feedback without causing noise interference, and the improvement is improved. Confidentiality, while being small in size and power consumption. At the same time, continuous electrical stimulation can also be formed by pulse waves. Example 3

The present embodiment provides a human-machine interaction feedback device, which is improved on the basis of Embodiment 2. Referring to FIG. 2, the pulse generation module 1 includes: a transformer circuit 11 and a pulse wave generation circuit 12, and a transformer The circuit 11 is connected to the pulse wave generating circuit 12; the voltage converting circuit 11 is for adjusting the voltage amplitude of the pulse wave; and the pulse wave generating circuit 12 is for generating the pulse wave.

The transformer circuit 11 includes: an inductor L1, an NPN transistor Q1, a diode D2, and a capacitor C3.

One end of the inductor L1 is electrically connected to the power source VCC, and the other end of the inductor L1 is electrically connected to the anode and the NPN of the diode D2, respectively. The collector of the type transistor Q1; optionally, for energy storage, the power source VCC can also be electrically connected to a parallel circuit composed of a diode D1 and a capacitor C1 in parallel, and the other end of the parallel circuit is grounded.

The base of the NPN transistor Q1 is electrically connected to the main chip through a resistor R1, and receives the pulse control signal sent by the main chip; the emitter of the NPN transistor Q1 is electrically connected to the ground and the end of the capacitor C3 respectively; the collector of the NPN transistor Q1 The other end of the inductor L1 and the anode of the diode D2 are electrically connected, respectively.

The anode of the diode D2 is electrically connected to the other end of the inductor L1 and the collector of the NPN transistor Q1; the cathode of the diode D2 is electrically connected to the other end of the capacitor C3.

One end of the capacitor C3 is electrically connected to the emitter of the NPN transistor Q1, and the other end of the capacitor C3 is electrically connected to the cathode of the diode D2. Capacitor C3 has a large capacitance value. In order to store energy, capacitor C3 can also be connected in parallel with a capacitor C2.

The pulse wave generating circuit 12 includes: a MOSFET (Metal Oxide Semiconductor Field Effect)

Transistor, metal oxide semiconductor field effect transistor) U1 and decoder De.

The gate of the metal oxide semiconductor field effect transistor U1 is electrically connected to the output terminals of the power supply VCC and the decoder De, and receives the control sequence outputted by the decoder De, and the control sequence controls the conduction and turn-off of the metal oxide semiconductor field effect transistor U1. State, to generate a pulse wave of a corresponding frequency, optionally, a resistor R3 may be disposed between the gate of the MOSFET U1 and the power source VCC; the drain of the MOSFET U1 is electrically connected The voltage circuit 11, optionally, a resistor R2 may be disposed between the drain of the MOSFET U1 and the transformer circuit 11; the source of the MOSFET U1 is electrically connected to one end of the trigger point S1. The other end of the trigger point S1 is electrically connected to the ground. The trigger point may be a button, and the trigger event may be an event in which the button is pressed.

It should be noted that when there are multiple trigger points, as shown in the trigger points S1 and S2 in FIG. 2, each of the trigger points corresponds to a metal oxide semiconductor field effect transistor, such as the metal oxide shown in FIG. The semiconductor field effect transistors m and U2, the structural relationship between each metal oxide semiconductor field effect transistor and other components are the same as the structural relationship of the metal oxide semiconductor field effect transistor U1 and other components, and will not be described herein. Alternatively, a resistor R3 and R4 may be respectively disposed between the gates of the MOSFETs U1 and U2 and the power supply VCC.

The input end of the decoder De is electrically connected to the main chip, and receives the input signal sent by the main chip; the output end of the decoder De is electrically connected to the gate of the metal oxide semiconductor field effect transistor U1; the decoder De is generated according to the input signal The sequence is controlled and the control sequence is output by the output of the Decoder De.

It should be noted that when there are multiple trigger points, each trigger point corresponds to one output end of the decoder De. As shown in FIG. 2, when there are two trigger points, the decoder De has two output ends. The two outputs correspond to one input, for example: When there are four trigger points, the decoder De has four outputs, and the four outputs correspond to two inputs.

The inductive touch module 2 includes: a cathode and an anode; the cathode and the anode are turned on to form a path when the event is triggered, and the cathode is electrically connected to the ground, and the anode receives the pulse wave sent by the pulse generating module 1 to form an electric spur to the human body part that triggers the event. Excited. The inductive touch module 2 in Figure 2 is not shown, and its structural relationship is shown in Figure l_b.

Wherein the cathode is composed of a plurality of conductive materials placed in parallel at a first interval; the anode is composed of a plurality of conductive materials placed in parallel at a second interval. In order not to affect the user's viewing screen, the conductive material is typically a transparent conductive material.

In this embodiment, by generating a pulse wave when the detected event is triggered, and generating an electrical stimulation to the human body part of the triggering event, even in a noisy environment, the user who uses the device can perceive the feedback without causing noise interference, and the improvement is improved. Confidentiality, while being small in size and power consumption. At the same time, continuous electrical stimulation can also be formed by pulse waves. Example 4

The present embodiment provides a human-machine interaction feedback device, which is improved on the basis of Embodiment 2. Referring to FIG. 3, the pulse generation module 1 includes: a transformer circuit 13 and a pulse wave generation circuit (in FIG. 3 Not shown), the transformer circuit 13 is connected to the pulse wave generating circuit; the voltage converting circuit 13 is for adjusting the voltage amplitude of the pulse wave; and the pulse wave generating circuit is for generating the pulse wave.

The pulse wave generating circuit may be a main chip, and the square wave sent by the main chip when the detected event is triggered is used as a pulse wave.

The transformer circuit 13 includes: an operational amplifier AR1 and a transformer T1;

The non-inverting input terminal of the operational amplifier AR1 is electrically connected; the inverting input terminal of the operational amplifier is electrically connected to the pulse wave generating circuit through a resistor Ri1, and receives the pulse wave generated by the pulse wave generating circuit; the inverting input terminal of the operational amplifier AR1 A feedback resistor Rfl is electrically connected to the output of the operational amplifier AR1.

One end of the transformer T1 is electrically connected to the output end of the operational amplifier AR1, and the other end of the transformer T1 is electrically connected to one end of the trigger point S1, and the other end of the trigger point S1 is electrically connected to the ground. The trigger point may be a button, and the trigger event may be an event in which the button is pressed.

It should be noted that, in FIG. 3, two sets of transformer circuits are shown, and the structural relationship of each group of transformer circuits is the same as that of the variable voltage circuit 13, and will not be described herein.

The inductive touch module 2 includes: a cathode and an anode; the cathode and the anode are turned on to form a path when the event is triggered, and the cathode is electrically connected to the ground, and the anode receives the pulse wave sent by the pulse generating module 1 to form an electrical stimulus to the human body part that triggers the event. . The inductive touch module 2 in Figure 3 is not shown, and its structural relationship is shown in Figure l_b.

In this embodiment, by generating a pulse wave when the detected event is triggered, and generating an electrical stimulation to the human body part of the triggering event, even in a noisy environment, the user who uses the device can perceive the feedback without causing noise interference, and the improvement is improved. Confidentiality, while being small in size and power consumption. At the same time, continuous electrical stimulation can also be formed by pulse waves. Example 5

The embodiment provides a human-machine interaction feedback device, which is improved on the basis of the embodiment 2, 3 or 4. Referring to FIG. 4, the device further includes: an intelligent feedback module 3, and the intelligent feedback module 3 and the pulse respectively The generating module 1 and the inductive touch module 2 are connected;

The intelligent feedback module 3 is configured to detect a resistance impedance corresponding to a human body part of the trigger event, adjust a voltage amplitude of the pulse wave outputted by the pulse generation module 1 according to the resistance impedance, and send the adjusted pulse wave to the inductance touch module 2.

Fig. 5 is a schematic diagram showing the relationship between the resistance impedance and the amplitude of the pulse wave voltage after the intelligent feedback module 3 is added. Among them, the thick line represents the trend of the pulse wave voltage amplitude, and the thin line represents the change trend of the resistance impedance.

The time from 0 to A indicates the resistance resistance (thin line) and the output pulse wave voltage amplitude (thick line) of the feedback component before the trigger event. Because the circuit is disconnected at this time, the resistance impedance is large, and the intelligent feedback module 3 continues to output super. 5Vo, low detection voltage T _v , such as Ty <0. 5Vo

At time A, the time at which the event is triggered is indicated, and the resistance of the feedback component is reduced. At this time, the feedback component is a human body part.

At time B, it indicates the time when the intelligent feedback module 3 detects the resistance impedance of the human body part, calculates the amplitude of the pulse wave voltage that needs to be output according to the sensitivity of the human body to the current.

At time C, it indicates the time when the circuit of the human body part is disconnected from the feedback component, and the resistance of the feedback component increases.

At time D, it indicates that the intelligent feedback module 3 detects the time when the human body part leaves, and reduces the pulse wave voltage amplitude to the detection voltage T _v .

In this embodiment, by generating a pulse wave when the detected event is triggered, and generating an electrical stimulation to the human body part of the triggering event, even in a noisy environment, the user who uses the device can perceive the feedback without causing noise interference, and the improvement is improved. Confidentiality, while being small in size and power consumption. At the same time, continuous electrical stimulation can also be formed by pulse waves. In addition, by detecting the resistance impedance corresponding to the human body part of the trigger event, the voltage amplitude of the pulse wave outputted by the pulse generation module is adjusted according to the resistance impedance, thereby achieving the effect of adaptively adjusting the electrical stimulation and improving user comfort.

The human-machine interaction feedback device provided by the invention can be used for electronic products in various application fields as feedback of buttons, touch screens or touch panels. Electronic products include portable electronics, home electronics, video game terminals, smart decorations, etc. Among them, portable electronic devices include ΜΡ 3, ΜΡ 4, mobile phones, portable computers, etc., when used in the field of electronic games, can enhance the user experience and increase entertainment. The human-machine interaction feedback device provided by the invention is also applicable to scenarios such as military that require high confidentiality. Example 6

Referring to FIG. 6, this embodiment provides a human-computer interaction feedback method, including:

601: detecting whether an event is triggered;

602: When an event is detected to be triggered, electrical stimulation is generated on a human body part that triggers the event.

Before step 602, the method further includes:

When detecting that the event is triggered, sending a pulse control signal, according to the pulse control signal, generating a pulse wave of a corresponding voltage amplitude and a corresponding frequency;

Or receiving a voltage amplitude and a frequency of a pulse wave set by a user, and when detecting that an event is triggered, transmitting a pulse control signal, when receiving the pulse control signal, generating a voltage amplitude and a frequency corresponding to the voltage set by the user. Pulse wave.

After the pulse wave is generated, the method further includes: detecting a resistance impedance corresponding to the body part of the trigger event, and adjusting a voltage amplitude of the pulse wave according to the resistance impedance.

Step 602 specifically includes:

A path is formed when a detected event is triggered, and an electrical stimulus is formed on the body portion of the triggering event based on the pulse wave.

In this embodiment, by generating a pulse wave when the detected event is triggered, and generating an electrical stimulation to the human body part of the triggering event, even in a noisy environment, the user who uses the device can perceive the feedback without causing noise interference, and the improvement is improved. Confidentiality, while being small in size and power consumption. At the same time, continuous electrical stimulation can also be formed by pulse waves. In addition, by detecting the resistance impedance corresponding to the human body part of the trigger event, the voltage amplitude of the pulse wave outputted by the pulse generation module is adjusted according to the resistance impedance, thereby achieving the effect of adaptively adjusting the electrical stimulation and improving user comfort. All or part of the technical solutions provided by the above embodiments may be implemented by software programming, and the software program is stored in a readable storage medium such as a hard disk, an optical disk or a floppy disk in a computer. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

Claim

A human-machine interaction feedback device, wherein the device comprises: a detection module and an inductance touch module, wherein the detection module is configured to detect whether an event is triggered, and notify the electricity when an event is detected to be triggered. The inductive touch module is configured to form an electrical stimulus to the human body part that triggers the event when the detecting module detects that the event is triggered.

2. The device according to claim 1, wherein the device further comprises: a pulse generating module, the detecting module is connected to the pulse generating module, and the pulse generating module is connected to the inductive touch module;

The detecting module is configured to detect whether an event is triggered, notify the inductive touch module when detecting that an event is triggered, and send a pulse control signal to the pulse generating module;

The pulse generating module is configured to receive a pulse control signal sent by the detecting module, generate a pulse wave of a corresponding voltage amplitude and a corresponding frequency according to the pulse control signal, and send the pulse wave to the inductive touch module;

The inductive touch module is further configured to: when the detecting module detects that an event is triggered, turn on a forming path, and receive a pulse wave sent by the pulse generating module, and form a power according to the pulse wave to a human body part that triggers an event; stimulate.

The device according to claim 2, wherein the device further comprises: an intelligent feedback module, wherein the intelligent feedback module is respectively connected to the pulse generating module and the inductive touch module;

The smart feedback module is configured to detect a resistance impedance corresponding to a body part of the trigger event, adjust a voltage amplitude of the pulse wave output by the pulse generation module according to the resistance impedance, and send the adjusted pulse wave to The inductive touch module.

The device according to claim 2, wherein the pulse generating module comprises: a transformer circuit and a pulse wave generating circuit, wherein the transformer circuit is connected to the pulse wave generating circuit;

The transformer circuit is configured to adjust a voltage amplitude of the pulse wave;

The pulse wave generating circuit is configured to generate the pulse wave.

The device according to claim 4, wherein the transformer circuit comprises: an inductor, an NPN transistor, a diode, and a capacitor;

One end of the inductor is electrically connected to the power source, and the other end of the inductor is electrically connected to the anode of the diode and the collector of the NPN transistor, respectively;

The base of the NPN transistor is electrically connected to the main chip through a resistor, and receives the pulse control signal sent by the main chip; the emitters of the NPN transistor are electrically connected to one end of the capacitor The collector of the NPN-type transistor is electrically connected to the other end of the inductor and the anode of the diode, respectively; The anode of the diode is electrically connected to the other end of the inductor and the collector of the NPN transistor; the cathode of the diode is electrically connected to the other end of the capacitor;

One end of the capacitor is electrically connected to an emitter of the NPN transistor, and the other end of the capacitor is electrically connected to a cathode of the diode.

6. The apparatus according to claim 4, wherein the pulse wave generating circuit comprises: a metal oxide semiconductor field effect transistor MOSFET and a decoder;

a gate of the MOSFET is electrically coupled to a power supply and an output of the decoder, and receives a control sequence output by the decoder, the control sequence controls an on-off state of the MOSFET to generate the corresponding a pulse wave of a frequency; a drain of the MOSFET is electrically connected to the transformer circuit; a source of the MOSFET is electrically connected to one end of a trigger point, and another end of the trigger point is electrically connected;

An input end of the decoder is electrically connected to the main chip, and receives an input signal sent by the main chip; an output end of the decoder is electrically connected to a gate of the MOSFET; The input signal produces the control sequence and outputs the control sequence from the output of the decoder.

The apparatus according to claim 4, wherein the pulse wave generating circuit is the main chip, and the square wave transmitted by the main chip when detecting that the event is triggered is used as the pulse wave .

The apparatus according to claim 4, wherein said transformer circuit comprises: an operational amplifier and a transformer; said non-inverting input terminal of said operational amplifier is electrically connected; said inverting input terminal of said operational amplifier is passed through The resistor is electrically connected to the pulse wave generating circuit, and receives the pulse wave generated by the pulse wave generating circuit; a feedback resistor is electrically connected between the inverting input end of the operational amplifier and the output end of the operational amplifier ;

One end of the transformer is electrically connected to an output end of the operational amplifier, and the other end of the transformer is electrically connected to one end of a trigger point, and the other end of the trigger point is electrically connected to ground.

9. The device according to claim 2, wherein the inductive touch module comprises: a cathode and an anode; the cathode and the anode are electrically connected to form a path when the event is triggered, and the cathode is electrically connected The anode receives the pulse wave sent by the pulse generating module to form an electrical stimulus to a human body part that triggers an event.

10. The apparatus according to claim 9, wherein the cathode is composed of a plurality of conductive materials placed in parallel at a first interval;

The anode is composed of a plurality of electrically conductive materials placed in parallel at a second interval.

The device according to claim 2, wherein the pulse generating module is further configured to receive a voltage amplitude and a frequency of a pulse wave set by a user, and receive the pulse control signal sent by the detecting module. At this time, a pulse wave corresponding to the voltage amplitude and frequency set by the user is generated, and the pulse wave is transmitted to the inductive touch module.

12. A human-computer interaction feedback method, the method comprising:

Detect if an event is triggered;

13. The method according to claim 12, wherein the detecting, before the event is triggered, forming an electrical stimulus on the body part of the triggering event comprises:

When it is detected that the event is triggered, a pulse control signal is sent, and according to the pulse control signal, a pulse wave of a corresponding voltage amplitude and a corresponding frequency is generated;

14. The method according to claim 13, wherein the detecting an event is triggered to form an electrical stimulus to a human body part that triggers the event, comprising:

A path is formed when a detected event is triggered, and an electrical stimulus is generated according to the pulse wave to a human body part that triggers an event.

The method according to claim 13, wherein after the generating of the pulse wave, the method further comprises: detecting a resistance impedance corresponding to a body part of the trigger event, and adjusting the pulse wave according to the resistance impedance Voltage amplitude.